1. Abdelkrim, A., & Duclos, J.- Y. (2007). DASP: Distributive Analysis Stata Package. PEP, World Bank, UNDP and Université Laval. Available from http://dasp.ecn.ulaval.ca/ (accessed July 30, 2012).
2. Ackland, R., Dowrick, S., & Freyens, B. (2012). Measuring global poverty: Why PPPs matter. Review of Economics and Statistics. http://dx.doi.org/10.1162/REST_a_00294.
3. Growth and poverty in developing countries;Ahluwalia;Journal of Development Economics,1979
4. On the reliability of income data in the family expenditure survey 1970–1977;Atkinson;Journal of the Royal Statistical Society Series A,1983
5. A comparison of parametric models of income distributions across countries and over time;Bandourian;Revista Estadistica,2003